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| 245 | 1 | 0 | _aENVIRONMENTALLY SUSTAINABLE DEVELOPMENT PROCEEDINGS SERIES |
| 260 | _bInternational Bank for Reconstruction and Development/world Bank | ||
| 650 | 1 | 4 |
_9145076 _aECOLOGIA |
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_aMEDIO AMBIENTE _9133840 |
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_97 _aSOSTENIBILIDAD |
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_9141819 _aCONSERVACION DE LA NATURALEZA |
| 310 | _aIrr. | ||
| 593 | _a02-12-2008 | ||
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_b1818 H Street, N.W., _cwashington, D.C. _d20433 _gUSA |
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